Ono et al., 2005 - Google Patents
Total-NOx sensor based on mixed-potential for detecting of low NOx concentrationsOno et al., 2005
- Document ID
- 6650164089157131936
- Author
- Ono T
- Yan Y
- Hasei M
- Sato M
- Kunimoto A
- Tanaka A
- Saito T
- Publication year
- Publication venue
- SAE transactions
External Links
Snippet
We have been developing the mixed-potential type NOx sensor which can detect the total- NOx concentration directly in exhausts for automobiles. It has been confirmed that the sensor is capable of detecting wide concentrations of total-NOx from 20 to 1000 ppm under …
- 229910002089 NOx 0 title abstract description 107
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4073—Composition or fabrication of the solid electrolyte
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4077—Means for protecting the electrolyte or the electrodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0037—Specially adapted to detect a particular component for NOx
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
- G01N27/419—Measuring voltages or currents of oxygen pumping cells and oxygen concentration cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
- G01N27/04—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance of an electrically-heated body in dependence upon change of temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/20—Exhaust after-treatment
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4800853B2 (en) | Gas sensor element | |
| US7294252B2 (en) | NOx sensor and methods of using the same | |
| Zhuiykov et al. | Potentiometric NOx sensor based on stabilized zirconia and NiCr2O4 sensing electrode operating at high temperatures | |
| EP3029290B1 (en) | Catalyst deterioration diagnosis system and catalyst deterioration diagnosis method | |
| JP3333678B2 (en) | Gas component sensor and catalyst diagnostic device | |
| US10697926B2 (en) | Sensor material and gas sensor element and gas sensor derived therefrom | |
| US10428717B2 (en) | Method for diagnosing degradation in catalyst | |
| EP3029292B1 (en) | Catalyst deterioration diagnosis method | |
| JP2011513735A (en) | Amperometric electrochemical cells and sensors | |
| US6355151B1 (en) | Gas sensor | |
| WO1996026434A1 (en) | Arrangement for analysis of exhaust gases | |
| JP3664558B2 (en) | Gas sensor | |
| US8516795B2 (en) | Exhaust gas sensor device, engine control device and method | |
| US11060439B2 (en) | Catalyst deterioration diagnosis system and catalyst deterioration diagnosis method | |
| Kunimoto et al. | New total-NOx sensor based on mixed potential for automobiles | |
| JP2002139468A (en) | Gas sensor | |
| US11808732B2 (en) | Method for monitoring a gas sensor | |
| Ono et al. | Total-NOx sensor based on mixed-potential for detecting of low NOx concentrations | |
| JP4375336B2 (en) | Gas sensor and gas detection method | |
| JP2010127091A (en) | Deterioration detecting method of exhaust emission control catalyst | |
| JP3124371B2 (en) | Hydrocarbon concentration measurement device | |
| Koltsakis et al. | Detection of automotive catalysts failure by use of on-board diagnostics | |
| US20090139877A1 (en) | Composition for use in a nox electrode, method of making the same, articles derived therefrom, and method of detecting nox | |
| Nakanouchi et al. | New type of NOx sensors for automobiles | |
| Di Bartolomeo et al. | Testing planar gas sensors based on yttria-stabilized zirconia with oxide electrodes in the exhaust gases of a spark ignition engine |